import java.util.Scanner;

public class LQB_07 {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int x = input.nextInt();
        int y = input.nextInt();
        int z = input.nextInt();
        int edge1,edge2,edge3; // 斜边+两条直角边
        if(x*x + y*y == z*z || x*x + z*z == y*y || z*z + y*y == x*x)
            System.out.println("YES");
        else
            System.out.println("NO");
    }
}
